webservice/public/test/getCmdPieces.php

<?php
ini_set("soap.wsdl_cache_enabled", "0");

$client = new SoapClient(
	'http://webservice.sd.dev/sinterne?wsdl',
	array(
		'login' => 'mricois',
		'password' => md5('mricois|bj10sx'),
		'features' => SOAP_USE_XSI_ARRAY_TYPE + SOAP_SINGLE_ELEMENT_ARRAYS,
		'trace' => 1,
		'soap_version' => SOAP_1_2,
	)
);

$parameters = new stdClass();
$parameters->reference = 'PIECES-2';
$result = $client->getCmdPieces($parameters);

echo 'REQUETE : <br/>';
echo htmlentities($client->__getLastRequest());
echo "<br/><br/>";
echo 'REPONSE : <br/>';
echo htmlentities($client->__getLastResponse());

echo '<br/><br/>';
echo '<pre>';
print_r($result);
echo '</pre>';